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    • 7. 发明授权
    • Query rewriting using session information
    • 使用会话信息查询重写
    • US09547690B2
    • 2017-01-17
    • US14486879
    • 2014-09-15
    • Google Inc.
    • Marcin M. Nowak-PrzygodzkiBehshad Behzadi
    • G06F17/30
    • G06F17/3053G06F17/30112G06F17/30395G06F17/30424G06F17/30448G06F17/30646G06F17/30867
    • Methods, systems, and apparatus, including computer programs encoded on computer storage media, for natural language processing. One of the methods includes receiving a search query from a user during a user session; obtaining a plurality of prior search queries by the user received during the user session; generating a plurality of candidate query rewrites, wherein the candidate query rewrites are derived from the search query and the plurality of prior search queries by the user; scoring each candidate query rewrite, wherein scoring each candidate rewrite includes determining a quality of each candidate query rewrite based on an analysis of search results responsive to the candidate query rewrite; selecting a candidate query rewrite having a score that satisfies a threshold value; and providing search results responsive to the selected candidate query rewrite.
    • 方法,系统和装置,包括在计算机存储介质上编码的计算机程序,用于自然语言处理。 其中一种方法包括在用户会话期间从用户接收搜索查询; 在用户会话期间由用户获得多个先前的搜索查询; 生成多个候选查询重写,其中所述候选查询重写是从所述用户的搜索查询和所述多个先前搜索查询导出的; 对每个候选查询重写进行评分,其中对每个候选重写进行评分包括:响应于所述候选查询重写,基于对搜索结果的分析来确定每个候选查询重写的质量; 选择具有满足阈值的得分的候选查询重写; 以及响应于所选择的候选查询重写来提供搜索结果。
    • 9. 发明申请
    • Query Rewriting Using Session Information
    • 使用会话信息进行查询重写
    • US20160078086A1
    • 2016-03-17
    • US14486879
    • 2014-09-15
    • Google Inc.
    • Marcin M. Nowak-PrzygodzkiBehshad Behzadi
    • G06F17/30
    • G06F17/3053G06F17/30112G06F17/30395G06F17/30424G06F17/30448G06F17/30646G06F17/30867
    • Methods, systems, and apparatus, including computer programs encoded on computer storage media, for natural language processing. One of the methods includes receiving a search query from a user during a user session; obtaining a plurality of prior search queries by the user received during the user session; generating a plurality of candidate query rewrites, wherein the candidate query rewrites are derived from the search query and the plurality of prior search queries by the user; scoring each candidate query rewrite, wherein scoring each candidate rewrite includes determining a quality of each candidate query rewrite based on an analysis of search results responsive to the candidate query rewrite; selecting a candidate query rewrite having a score that satisfies a threshold value; and providing search results responsive to the selected candidate query rewrite.
    • 方法,系统和装置,包括在计算机存储介质上编码的计算机程序,用于自然语言处理。 其中一种方法包括在用户会话期间从用户接收搜索查询; 在用户会话期间由用户获得多个先前的搜索查询; 生成多个候选查询重写,其中所述候选查询重写是从所述用户的搜索查询和所述多个先前搜索查询导出的; 对每个候选查询重写进行评分,其中对每个候选重写进行评分包括:响应于所述候选查询重写,基于对搜索结果的分析来确定每个候选查询重写的质量; 选择具有满足阈值的得分的候选查询重写; 以及响应于所选择的候选查询重写来提供搜索结果。